package org.apache.commons.graph.export

import org.apache.commons.graph.Graph
import org.apache.commons.graph.utils.Assertions

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License.  You may obtain a copy of the License at
*
*   http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied.  See the License for the
* specific language governing permissions and limitations
* under the License.
*/

/**
 * [NamedExportSelector] implementation
 *
 * @param <V> the Graph vertices type.
 * @param <E> the Graph edges type.
</E></V> */
/**
 * Creates a new instance of export selector for the given graph
 * @param graph the graph
 */
class DefaultExportSelector<V, E>(
    private val graph: Graph<V, E>
) : NamedExportSelector<V, E> {

    private var name: String? = null

    /**
     * {@inheritDoc}
     */
    override fun usingDotNotation(): DotExporter<V, E> {
        return DotExporter(graph, name)
    }

    /**
     * {@inheritDoc}
     */
//    override fun usingGraphMLFormat(): GraphMLExporter<V, E> {
//        return GraphMLExporter(graph, name)
//    }

    /**
     * {@inheritDoc}
     */
    override fun withName(name: String): ExportSelector<V, E> {
        this.name = name
        return this
    }
}

fun <V, E, G : Graph<V, E>> G.export(): NamedExportSelector<V, E> = DefaultExportSelector(this)